The Web giant launched Google Music, a service that takes advantage of Google search technology as well as its ability to tap the tastes of a user's friends to recommend songs. With three of the four major record labels now participating in the service, users will also be able to buy music.

CNET has learned that the Justice Department will ask Congress to make sure "terms of service" violations are illegal, imperiling anyone who dares to fib about their weight, age, or name on social networks.